Only install python-hashlib on RHEL/CentOS 5
Only install python-hashlib on RHEL/CentOS 5

dubb-b/salt-pkg-tests,dubb-b/salt-pkg-tests,jfindlay/salt-pkg-tests,saltstack/salt-pkg-tests,dubb-b/salt-pkg-tests,saltstack/salt-pkg-tests,saltstack/salt-pkg-tests